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Anterior communicating artery aneurysm clipping: Experience at a tertiary care center with respect to intraoperative rupture

 Department of Neurosurgery, Institute of Medical Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh, India

Correspondence Address:
Ravi Shankar Prasad,
Department of Neurosurgery, Institute of Medical Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ajns.AJNS_308_20

Context: The incidence of anterior communicating artery (Acomm) aneurysm is high and it is associated with high risk of rupture. Aims: The aim is to evaluate various factors (size, wall morphology, and fundus direction) associated with intraoperative rupture (IOR) of Acomm aneurysm. Settings and Design: Retrospective cohort study. Subjects and Methods: Our study includes 25 operated patients diagnosed to have ruptured Acomm aneurysm in the Department of Neurosurgery of Institute of Medical Sciences, Banaras Hindu University, Varanasi, India, between January 2016 and July 2020. Our study included all patients with ruptured Acomm aneurysm who received clipping as method of treatment. Statistical Analysis: Chi-square test was used for analysis. Values with P < 0.05 were considered statistically significant. Statistical tests were done using GraphPad Prism version 8.3.0 software. Results: None of the patients with <4 mm, 6 patients of >4–10 mm, and 2 patients of >10 mm aneurysm size experienced IOR. IOR was seen in 2 patients with smooth wall and 6 in irregular aneurysm wall. All patients with posterior, 1 patient with inferior, 2 patients with anterior, and 1 patient with superior directing aneurysm experienced IOR. Patients with bilaterally clipped A1 experienced no IOR, while in unilaterally clipped aneurysm only 2 patients experienced IOR. Glasgow outcome score was better in patients with no IOR. Conclusion: The factors associated with high risk of IOR are: Aneurysm size >4 mm, multilobulated or irregular aneurysm wall, posteriorly and inferiorly directed aneurysms. Patients in whom Both A1 was temporarily clipped, experienced no IOR and better outcome.

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